Monitor wont turn on

Sony multiscan 400ps went black while working in application. When computer boots monitor is not responding, amber light blinks every 2 seconds. I bought this computer used in 1999, it was manufactured in 1998 and was refurbished at the time I bought it. I determined the computer hardware is fine as a stand in monitor works in it's place.
Can someone tell me if there's anything I can try to get it working? I have very limited electonics training. There have been times when unplugging/plugging this monitor in has enabled it to be turned on. This didn't work this time, however. I also noticed that the power switch seems to be sticking at times.
Thanks,
Tim

5 Suggested Answers

Hi,
A 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).click here to download the app (for users in the US for now) and get all the help you need. Good luck!

When the screen turns black again take a flashlight and shine it in the bottom left hand corner where the Windows Start button is located. If you can see a faint image then your back light is failing. If that?s not the case the next step would be to attach another monitor to your computer to see if the problem disappears. If it does that points to the monitor, if it doesn?t then we need to take a look at the computer itself.
Let us know what you find out and please don?t forget to rate this posting.

The problem is with power inverter, usually the capacitors go bad and need to changed, they might be bulged and or leaking. Very cheap fix, less than a buck apiece and an hour with a solder iron. Google it to find more info.

Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.

if the monitor led indicator is amber and and the hard drive (usually red) indicator on computer is blinking red. that means your computer is working but onboard video is dead. if under warranty, bring it back for replacement or repair.

GGGG indicates that the had off from the BIOS to the Windows Operating system was completed.

If you are not getting any video, and have an expansion video card, reseat the card. If you still don't have video, remove the card, and connect to the motherboard integrated video port (May have a black plastic cover on it)

I have/had same problem. I have ATI Radeon display adapter and in driver settings there was adjustment for brightness. I adjusted that to minimum and now the brightness is pretty good (still little bit too bright, monitor setting 0%).
Other succestions welcome...